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Decorations: add new argument to margins() to allow exclude shadows

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We can already have shadows to be part of decoration margins, but we
need a way to also get size of shadow margins itself, because they
should be ignored for the purposes of aligning, placing and constraining
windows.

This change breaks API/ABI compatibility of QWaylandAbstractDecoration
plugin, however, as stated in the header file, it is a subject of change
and its API is not meant to be stable. Alternatively we can make this a
separate method.

Change-Id: Ib2c9982e16c4acb13a83757e6371022c0a89b74e
Reviewed-by: David Edmundson <davidedmundson@kde.org>
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@qt.io>
This commit is contained in:
Jan Grulich 2021-02-23 08:30:04 +01:00
parent 4d666cd62e
commit e101ffce1d
2 changed files with 13 additions and 3 deletions
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7
src/plugins/platforms/wayland/plugins/decorations/bradient/main.cpp
View File

@ -73,7 +73,7 @@ class Q_WAYLAND_CLIENT_EXPORT QWaylandBradientDecoration : public QWaylandAbstra
public:
QWaylandBradientDecoration();
protected:
QMargins margins() const override;
QMargins margins(MarginsType marginsType = Full) const override;
void paint(QPaintDevice *device) override;
bool handleMouse(QWaylandInputDevice *inputDevice, const QPointF &local, const QPointF &global,Qt::MouseButtons b,Qt::KeyboardModifiers mods) override;
bool handleTouch(QWaylandInputDevice *inputDevice, const QPointF &local, const QPointF &global, Qt::TouchPointState state, Qt::KeyboardModifiers mods) override;
@ -130,8 +130,11 @@ QRectF QWaylandBradientDecoration::minimizeButtonRect() const
(margins().top() - BUTTON_WIDTH) / 2, BUTTON_WIDTH, BUTTON_WIDTH);
}
QMargins QWaylandBradientDecoration::margins() const
QMargins QWaylandBradientDecoration::margins(MarginsType marginsType) const
{
if (marginsType == ShadowsOnly)
return QMargins();
return QMargins(3, 30, 3, 3);
}

9
src/plugins/platforms/wayland/qwaylandabstractdecoration_p.h
View File

@ -82,6 +82,12 @@ class Q_WAYLAND_CLIENT_EXPORT QWaylandAbstractDecoration : public QObject
Q_OBJECT
Q_DECLARE_PRIVATE(QWaylandAbstractDecoration)
public:
enum MarginsType {
Full,
ShadowsExcluded,
ShadowsOnly
};
QWaylandAbstractDecoration();
~QWaylandAbstractDecoration() override;
@ -91,7 +97,8 @@ public:
void update();
bool isDirty() const;
virtual QMargins margins() const = 0;
virtual QMargins margins(MarginsType marginsType = Full) const = 0;
QWindow *window() const;
const QImage &contentImage();